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https://www.readbyqxmd.com/read/29677643/biotransformation-of-cyclocanthogenol-by-the-endophytic-fungus-alternaria-eureka-1e1bl1
#1
Güner Ekiz, Seda Duman, Erdal Bedir
The microbial transformation of cyclocanthogenol (CCG), Astragalus sp. originated sapogenin, by the endophytic fungus Alternaria eureka 1E1BL1 isolated from Astragalus angustifolius was investigated. Hydroxylation, oxidation, epoxidation, O-methylation, ring-expansion and methyl migration reactions were observed on the triterpenoid skeleton. As a result, eight metabolites were isolated and the structures of the previously undescribed compounds were established by 1-D, 2-D NMR and HR-MS analyses.
April 17, 2018: Phytochemistry
https://www.readbyqxmd.com/read/29677641/a-randomised-controlled-trial-of-1-year-adjuvant-chemotherapy-with-oral-tegafur-uracil-versus-surgery-alone-in-stage-ii-colon-cancer-sacura-trial
#2
Chu Matsuda, Megumi Ishiguro, Satoshi Teramukai, Yoshiki Kajiwara, Shoichi Fujii, Yusuke Kinugasa, Yoshihiko Nakamoto, Masanori Kotake, Yoshiyuki Sakamoto, Kiyotaka Kurachi, Atsuyuki Maeda, Koji Komori, Naohiro Tomita, Yasuhiro Shimada, Keiichi Takahashi, Kenjiro Kotake, Masahiko Watanabe, Hidetaka Mochizuki, Yoko Nakagawa, Kenichi Sugihara
BACKGROUND: Efficacy of adjuvant chemotherapy in patients with stage II colon cancer is still controversial. The SACURA trial is a randomised-controlled study evaluating the superiority of 1-year adjuvant treatment with oral tegafur-uracil (UFT) to surgery alone for stage II colon cancer. METHODS: Patients were randomly assigned to the surgery-alone group or UFT group (UFT at 500-600 mg/day for 5 days, followed by 2-day rest, for 1 year). The primary end-point was disease-free survival (DFS)...
April 17, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29677398/does-stress-increase-risk-of-breast-cancer-a-15-year-prospective-study
#3
Phyllis Butow, Melanie Price, Joseph Coll, Katherine Tucker, Bettina Meiser, Roger Milne, Judith Wilson, Louise Heiniger, Brandi Baylock, Tracey Bullen, Prue Weideman, Kelly-Anne Phillips
OBJECTIVE: The possible impact of stress on cancer incidence remains controversial. We prospectively evaluated associations between life event stressors, social support, personality characteristics (optimism, anger control, anti-emotionality) and risk of developing primary breast cancer (BCa), in women at increased familial risk of BCa. METHODS: A prospective cohort, repeated measures design was employed. Recruitment was through the Kathleen Cuningham Foundation Consortium for Research into Familial breast cancer (kConFab), which collects genetic, epidemiological and clinical data from Australasian families with multiple BCa cases...
April 20, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29677303/association-between-use-of-sodium-glucose-cotransporter-2-inhibitors-glucagon-like-peptide-1-agonists-and-dipeptidyl-peptidase-4-inhibitors-with-all-cause-mortality-in-patients-with-type-2-diabetes-a-systematic-review-and-meta-analysis
#4
Sean L Zheng, Alistair J Roddick, Rochan Aghar-Jaffar, Matthew J Shun-Shin, Darrel Francis, Nick Oliver, Karim Meeran
Importance: The comparative clinical efficacy of sodium-glucose cotransporter 2 (SGLT-2) inhibitors, glucagon-like peptide 1 (GLP-1) agonists, and dipeptidyl peptidase 4 (DPP-4) inhibitors for treatment of type 2 diabetes is unknown. Objective: To compare the efficacies of SGLT-2 inhibitors, GLP-1 agonists, and DPP-4 inhibitors on mortality and cardiovascular end points using network meta-analysis. Data Sources: MEDLINE, Embase, Cochrane Library Central Register of Controlled Trials, and published meta-analyses from inception through October 11, 2017...
April 17, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29677091/factors-associated-with-revision-surgery-after-internal-fixation-of-hip-fractures
#5
Sheila Sprague, Emil H Schemitsch, Marc Swiontkowski, Gregory J Della Rocca, Kyle J Jeray, Susan Liew, Gerard P Slobogean, Sofia Bzovsky, Diane Heels-Ansdell, Qi Zhou, Mohit Bhandari
BACKGROUND: Femoral neck fractures are associated with high rates of revision surgery after management with internal fixation. Using data from the Fixation using Alternative Implants for the Treatment of Hip fractures (FAITH) trial evaluating methods of internal fixation in patients with femoral neck fractures, we investigated associations between baseline and surgical factors and the need for revision surgery to promote healing, relieve pain, treat infection or improve function over 24 months postsurgery...
May 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29677051/electrocardiographic-predictors-of-atrial-fibrillation-in-nonhypertensive-and-hypertensive-individuals
#6
Arttu O Lehtonen, Ville L Langén, Kimmo Porthan, Mika Kähönen, Markku S Nieminen, Antti M Jula, Teemu J Niiranen
OBJECTIVE: The aim of this study was to compare the predictive value of ECG abnormalities for atrial fibrillation in nonhypertensive versus hypertensive individuals. METHODS: We recorded ECG and measured conventional cardiovascular risk factors in a nationwide population-based sample of 5813 Finns. We divided the participants into nonhypertensive (n = 3148) and hypertensive (n = 2665) individuals and followed the participants for incident atrial fibrillation events...
April 19, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29677012/inverse-correlation-between-daily-outdoor-temperature-and-blood-pressure-in-six-us-cities
#7
Jennifer M Radin, Daniel Neems, Ross Goglia, Khan Siddiqui, Steven R Steinhubl
This study aims to evaluate the relationship between mean outdoor temperature and mean daily blood pressure (BP) and heart rate (HR) among six, large, geographically and climatically diverse US cities. We collected BP and HR data from Higi stations, located in a wide range of neighborhood grocery stores and retail pharmacies, from six US cities (Houston, Los Angeles, Miami, Boise, Chicago, and New York City). Outdoor daily temperature data were collected from the National Centers for Environmental Information's database...
April 19, 2018: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/29676943/impact-of-preoperative-thrombocytopenia-on-the-outcome-after-coronary-artery-bypass-grafting
#8
Wail Nammas, Magnus Dalén, Stefano Rosato, Riccardo Gherli, Daniel Reichart, Giuseppe Gatti, Francesco Onorati, Giuseppe Faggian, Marisa De Feo, Ciro Bancone, Sidney Chocron, Sorosh Khodabandeh, Giuseppe Santarpino, Antonino S Rubino, Daniele Maselli, Saverio Nardella, Antonio Salsano, Tiziano Gherli, Francesco Nicolini, Marco Zanobini, Matteo Saccocci, Karl Bounader, Paola D'Errigo, Tuomas Kiviniemi, Eeva-Maija Kinnunen, Andrea Perrotti, Juhani Airaksinen, Giovanni Mariscalco, Vito G Ruggieri, Fausto Biancari
The impact of thrombocytopenia on postoperative bleeding and other major adverse events after cardiac surgery is unclear. This issue was investigated in a series of patients who underwent isolated coronary artery bypass grafting (CABG) from the prospective, multicenter E-CABG registry. Preoperative thrombocytopenia was defined as preoperative platelet count <150 × 109 /L and it was considered moderate-severe when preoperative platelet count was <100 × 109 /L. Multilevel mixed-effects regression analysis was performed to adjust the effect of thrombocytopenia on outcomes for baseline and operative covariates as well as for interinstitutional differences in patient-blood management...
April 20, 2018: Platelets
https://www.readbyqxmd.com/read/29676863/nitrite-stress-disrupts-the-structural-integrity-and-induces-oxidative-stress-response-in-the-intestines-of-pacific-white-shrimp-litopenaeus-vannamei
#9
Yafei Duan, Jiasong Zhang, Yun Wang, Qingsong Liu, Dalin Xiong
The acute toxicity of nitrite on the mucosal morphology and oxidative stress response was investigated in the intestines of Litopenaeus vannamei after the exposure of 20 mg/L nitrite for 72 hr. The duration of nitrite stress influenced the shrimp survival, and the cumulative mortality rate was 36.7% at 72 hr. Hematoxylin and eosin (HE) stain showed that nitrite stress damaged the intestine connective and epithelium tissue. Specifically, nitrite stress increased the content of reactive oxygen species (ROS) production (O2 - generation capacity), lipid peroxidation (LPO), and malondialdehyde (MDA)...
April 20, 2018: Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology
https://www.readbyqxmd.com/read/29676722/siphonobacter-curvatus-sp-nov-isolated-from-a-freshwater-river
#10
Yunho Lee, Che Ok Jeon
A novel orange-pigmented, Gram-stain-negative and strictly aerobic bacterium, designated strain HR-UT , was isolated from a water sample of the Han River located in the Republic of Korea. Cells were catalase-positive and oxidase-positive, and non-motile curved rods without flagella. The strain grew at 5-35 °C (optimum 25 °C), pH 6-10 (optimum of 7-8) and 0-3 % (w/v) NaCl (optimum 0 %). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain HR-UT formed a tight phylogenic lineage with Siphonobacter aquaeclarae DSM 21668T and 'Siphonobacter intestinalis' 63MJ-2...
April 20, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29676721/flavobacterium-alvei-sp-nov-isolated-from-a-freshwater-river
#11
Yunho Lee, Che Ok Jeon
A yellow-pigmented, Gram-stain-negative, strictly aerobic, catalase-negative and oxidase-positive bacterium, designated strain HR-AYT , was isolated from a water sample of the Han River. Cells were non-motile rods without flagella. Growth was observed at 5-30 °C (optimum, 20 °C), pH 5-9 (optimum, pH 7) and 0 % NaCl. The major respiratory quinone was menaquinone-6. Strain HR-AYT did not produce flexirubin-type pigments. The major fatty acids were summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c), anteiso-C15 : 0, iso-C15 : 0 and C16 : 0...
April 20, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29676690/does-size-matter-investigating-the-optimal-planning-target-volume-margin-for-postoperative-stereotactic-radiosurgery-to-resected-brain-metastases
#12
Jaymin Jhaveri, Mudit Chowdhary, Xinyan Zhang, Robert H Press, Jeffrey M Switchenko, Matthew J Ferris, Tiffany M Morgan, Justin Roper, Anees Dhabaan, Eric Elder, Bree R Eaton, Jeffrey J Olson, Walter J Curran, Hui-Kuo G Shu, Ian R Crocker, Kirtesh R Patel
OBJECTIVE The optimal margin size in postoperative stereotactic radiosurgery (SRS) for brain metastases is unknown. Herein, the authors investigated the effect of SRS planning target volume (PTV) margin on local recurrence and symptomatic radiation necrosis postoperatively. METHODS Records of patients who received postoperative LINAC-based SRS for brain metastases between 2006 and 2016 were reviewed and stratified based on PTV margin size (1.0 or > 1.0 mm). Patients were treated using frameless and framed SRS techniques, and both single-fraction and hypofractionated dosing were used based on lesion size...
April 20, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29676281/risk-thresholds-for-alcohol-consumption-combined-analysis-of-individual-participant-data-for-599-912-current-drinkers-in-83-prospective-studies
#13
Angela M Wood, Stephen Kaptoge, Adam S Butterworth, Peter Willeit, Samantha Warnakula, Thomas Bolton, Ellie Paige, Dirk S Paul, Michael Sweeting, Stephen Burgess, Steven Bell, William Astle, David Stevens, Albert Koulman, Randi M Selmer, W M Monique Verschuren, Shinichi Sato, Inger Njølstad, Mark Woodward, Veikko Salomaa, Børge G Nordestgaard, Bu B Yeap, Astrid Fletcher, Olle Melander, Lewis H Kuller, Beverley Balkau, Michael Marmot, Wolfgang Koenig, Edoardo Casiglia, Cyrus Cooper, Volker Arndt, Oscar H Franco, Patrik Wennberg, John Gallacher, Agustín Gómez de la Cámara, Henry Völzke, Christina C Dahm, Caroline E Dale, Manuela M Bergmann, Carlos J Crespo, Yvonne T van der Schouw, Rudolf Kaaks, Leon A Simons, Pagona Lagiou, Josje D Schoufour, Jolanda M A Boer, Timothy J Key, Beatriz Rodriguez, Conchi Moreno-Iribas, Karina W Davidson, James O Taylor, Carlotta Sacerdote, Robert B Wallace, J Ramon Quiros, Rosario Tumino, Dan G Blazer, Allan Linneberg, Makoto Daimon, Salvatore Panico, Barbara Howard, Guri Skeie, Timo Strandberg, Elisabete Weiderpass, Paul J Nietert, Bruce M Psaty, Daan Kromhout, Elena Salamanca-Fernandez, Stefan Kiechl, Harlan M Krumholz, Sara Grioni, Domenico Palli, José M Huerta, Jackie Price, Johan Sundström, Larraitz Arriola, Hisatomi Arima, Ruth C Travis, Demosthenes B Panagiotakos, Anna Karakatsani, Antonia Trichopoulou, Tilman Kühn, Diederick E Grobbee, Elizabeth Barrett-Connor, Natasja van Schoor, Heiner Boeing, Kim Overvad, Jussi Kauhanen, Nick Wareham, Claudia Langenberg, Nita Forouhi, Maria Wennberg, Jean-Pierre Després, Mary Cushman, Jackie A Cooper, Carlos J Rodriguez, Masaru Sakurai, Jonathan E Shaw, Matthew Knuiman, Trudy Voortman, Christa Meisinger, Anne Tjønneland, Hermann Brenner, Luigi Palmieri, Jean Dallongeville, Eric J Brunner, Gerd Assmann, Maurizio Trevisan, Richard F Gillum, Ian Ford, Naveed Sattar, Mariana Lazo, Simon G Thompson, Pietro Ferrari, David A Leon, George Davey Smith, Richard Peto, Rod Jackson, Emily Banks, Emanuele Di Angelantonio, John Danesh
BACKGROUND: Low-risk limits recommended for alcohol consumption vary substantially across different national guidelines. To define thresholds associated with lowest risk for all-cause mortality and cardiovascular disease, we studied individual-participant data from 599 912 current drinkers without previous cardiovascular disease. METHODS: We did a combined analysis of individual-participant data from three large-scale data sources in 19 high-income countries (the Emerging Risk Factors Collaboration, EPIC-CVD, and the UK Biobank)...
April 14, 2018: Lancet
https://www.readbyqxmd.com/read/29675892/dna-repair-protein-xpa-is-differentially-expressed-in-colorectal-cancer-and-predicts-better-prognosis
#14
Xue Feng, Jingwei Liu, Yuehua Gong, Kaihua Gou, Huaiwei Yang, Yuan Yuan, Chengzhong Xing
As an indispensable factor in DNA damage recognition step of nucleotide excision repair, XPA interacts with a series of proteins to initiate repair process. The expression characteristics of XPA in colorectal cancer (CRC) and its influence on CRC prognosis remain elusive. Tissue specimens of CRC and nontumor adjacent tissues from 283 patients were collected. XPA protein expressions were detected by immunohistochemistry staining. Nonparametric test was used to investigate the difference of XPA expression between CRC and nontumor adjacent tissues, as well as the correlation between XPA expression and clinicopathological parameters of CRC...
April 19, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29675840/outcome-of-children-with-newly-diagnosed-acute-lymphoblastic-leukemia-treated-with-cclg-all-2008-the-first-nation-wide-prospective-multicenter-study-in-china
#15
Lei Cui, Zhi-Gang Li, Yi-Huan Chai, Jie Yu, Ju Gao, Xiao-Fan Zhu, Run-Ming Jin, Xiao-Dong Shi, Le-Ping Zhang, Yi-Jin Gao, Rui-Dong Zhang, Hu-Yong Zheng, Shao-Yan Hu, Ying-Hui Cui, Yi-Ping Zhu, Yao Zou, Margaret Hl Ng, Yan Xiao, Jun-Hui Li, Yong-Hong Zhang, Hai-Long He, Ying Xian, Tian-You Wang, Chi-Kong Li, Min-Yuan Wu
Acute lymphoblastic leukemia (ALL) is the most common malignancy among children. The trial Chinese Children Leukemia Group (CCLG)-ALL 2008 was a prospective clinical trial designed to improve treatment outcome of childhood ALL through the first nation-wide collaborative study in China. Totally 2231 patients were recruited from ten tertiary hospitals in eight cities. The patients were stratified according to clinical-biological characteristics and early treatment response. Standard risk (SR) and intermediate risk (IR) groups were treated with a modified BFM based protocol, and there was 25-50% dose reduction during intensification phases in the SR group...
April 20, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/29675792/maintenance-in-myeloma-patients-achieving-complete-response-after-upfront-therapy-a-pooled-analysis
#16
Chiara Cerrato, Francesco Di Raimondo, Lorenzo De Paoli, Stefano Spada, Francesca Patriarca, Claudia Crippa, Roberto Mina, Tommasina Guglielmelli, Dina Ben-Yehuda, Daniela Oddolo, Chiara Nozzoli, Emanuele Angelucci, Nicola Cascavilla, Rita Rizzi, Stefano Rocco, Luca Baldini, Elena Ponticelli, Magda Marcatti, Clotilde Cangialosi, Tommaso Caravita, Giulia Benevolo, Roberto Ria, Arnon Nagler, Pellegrino Musto, Paola Tacchetti, Paolo Corradini, Massimo Offidani, Antonio Palumbo, Maria Teresa Petrucci, Mario Boccadoro, Francesca Gay
PURPOSE: Maintenance demonstrated to improve survival in newly diagnosed multiple myeloma (NDMM) patients and the achievement of complete response (CR) is a strong predictor of survival. Nevertheless, the role of maintenance according to response after induction/consolidation has not been investigated so far. To evaluate the impact of maintenance according to response, we pooled together and retrospectively analyzed data from 955 NDMM patients enrolled in two trials (GIMEMA-MM-03-05 and RV-MM-PI-209)...
April 19, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29675762/high-risk-stage-ii-colon-cancer-not-all-risks-are-created-equal
#17
Blake D Babcock, Mayada A Aljehani, Brice Jabo, Audrey H Choi, John W Morgan, Matthew J Selleck, Fabrizio Luca, Elizabeth Raskin, Mark E Reeves, Carlos A Garberoglio, Sharon S Lum, Maheswari Senthil
INTRODUCTION: Adjuvant chemotherapy is recommended in patients with stage II colon cancer with high-risk features (HRF). However, there is no quantification of the amount of risk conferred by each HRF or the overall survival (OS) benefit gained by chemotherapy based on the risk factor. OBJECTIVE: To assess survival benefits associated with adjuvant chemotherapy among stage II colon cancer patients having one or more HRF [T4 tumors, less than 12 lymph nodes examined (< 12LN), positive margins, high-grade tumor, perineural invasion (PNI), and lymphovascular invasion (LVI)]...
April 19, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29675727/manipulating-the-temperature-of-sulfurization-to-synthesize-%C3%AE-nis-nanosphere-film-for-long-term-preservation-of-non-enzymatic-glucose-sensors
#18
Hsien-Sheng Lin, Jen-Bin Shi, Cheng-Ming Peng, Bo-Chi Zheng, Fu-Chou Cheng, Ming-Way Lee, Hsuan-Wei Lee, Po-Feng Wu, Yi-Jui Liu
In this study, alpha nickel sulfide (α-NiS) nanosphere films have been successfully synthesized by electroplating the nickel nanosheet film on the indium tin oxide (ITO) glass substrate and sulfuring nickel-coated ITO glass substrate. First, we electrodeposited the nickel nanosheet films on the ITO glass substrates which were cut into a 0.5 × 1 cm2 size. Second, the nanosheet nickel films were annealed in vacuum-sealed glass ampoules with sulfur sheets at different annealing temperatures (300, 400, and 500 °C) for 4 h in vacuum-sealed glass ampoules...
April 19, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29675589/does-stent-type-impact-coil-embolization-outcomes-in-extended-follow-up-of-small-sized-aneurysms-10-mm
#19
Jeongjun Lee, Young Dae Cho, Dong Hyun Yoo, Hyun-Seung Kang, Won-Sang Cho, Jeong Eun Kim, Jusun Moon, Moon Hee Han
PURPOSE: Self-expandable stents have enabled endovascular treatment of wide-necked aneurysms (ordinarily viewed as technically prohibitive), with favorable outcomes. However, the impact of stent type on occlusive stability has not been adequately investigated. In small-sized unruptured saccular aneurysms, we generated estimates of stent-assisted coil embolization outcomes during follow-up monitoring. Stent type and other risk factors linked to recanalization were analyzed. METHODS: A cohort of 286 patients harboring 312 small-sized unruptured aneurysms (< 10 mm) was subjected to mid-term and extended follow-up monitoring after stent-assisted coiling...
April 20, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29675571/prognostic-value-of-n-terminal-pro-b-type-natriuretic-peptide-in-takotsubo-syndrome
#20
Thomas Stiermaier, Francesco Santoro, Tobias Graf, Francesca Guastafierro, Nicola Tarantino, Luisa De Gennaro, Pasquale Caldarola, Matteo Di Biase, Holger Thiele, Natale D Brunetti, Christian Möller, Ingo Eitel
BACKGROUND: Takotsubo syndrome (TTS), a form of acute transient heart failure, has been associated with severe complications and considerable mortality rates. N-Terminal Pro-B-Type Natriuretic Peptide (NT-proBNP) might serve as a marker to identify high-risk patients but has not yet been investigated regarding prognostic implications in TTS. Aim of this study was to determine the short- and long-term prognostic utility of NT-proBNP in patients with TTS. METHODS: The predictive value of admission NT-proBNP was assessed in an international, multicenter study including 177 consecutive TTS patients...
April 19, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
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